Bicycle shifter



FIG. 1 is a perspective view of a bicycle shifter in accordance with my new design;

FIG. 2 is a top plan view of the bicycle shifter in accordance with my new design;

FIG. 3 is a first side elevational view of the bicycle shifter in accordance with my new design;

FIG. 4 is a bottom plan view of the bicycle shifter in accordance with my new design;

FIG. 5 is a second side elevational view of the bicycle shifter in accordance with my new design;

FIG. 6 is a first end elevational view of the bicycle shifter in accordance with my new design; and,

FIG. 7 is a second end elevational view of the bicycle shifter in accordance with my new design.

The broken lines in the drawing are for the purpose of showing environment and form no part of the claimed design. 

The ornamental design for a bicycle shifter, as shown and described. 